feat: remove legacy plugin resolver

Author: christophwitzko

pkg/config/config.go

@@ -197,7 +197,7 @@ func SetFlags(cmd *cobra.Command) {
 	cmd.Flags().Bool("show-progress", false, "shows the plugin download progress")
 	cmd.Flags().String("config", "", "config file (default is .semrelrc)")
 	cmd.Flags().Bool("allow-maintained-version-on-default-branch", false, "allow configuring the maintained version on the default branch")
-	cmd.Flags().String("plugin-resolver", "registry", "which resolver should be used to resolve plugins (registry-v1, registry[-v2] or github)")
+	cmd.Flags().String("plugin-resolver", "registry", "which resolver should be used to resolve plugins (registry[-v2] or github)")
 	cmd.Flags().Bool("plugin-resolver-disable-batch-prefetch", false, "plugins should not be batch prefetched using the registry")
 	cmd.Flags().String("plugin-resolver-endpoint", "", "explicitly specify the resolver endpoint that should be used for resolving the plugin dependencies")
 	cmd.Flags().SortFlags = true

pkg/plugin/discovery/discovery.go

@@ -9,7 +9,6 @@ import (
 	"github.com/go-semantic-release/semantic-release/v2/pkg/plugin/discovery/resolver"
 	"github.com/go-semantic-release/semantic-release/v2/pkg/plugin/discovery/resolver/github"
 	"github.com/go-semantic-release/semantic-release/v2/pkg/plugin/discovery/resolver/registry"
-	"github.com/go-semantic-release/semantic-release/v2/pkg/plugin/discovery/resolver/registryV1"
 )
 
 type Discovery struct {
@@ -36,7 +35,6 @@ func loadResolvers(resolvers ...resolver.Resolver) (map[string]resolver.Resolver
 func New(config *config.Config) (*Discovery, error) {
 	resolvers, err := loadResolvers(
 		registry.NewResolver(config.PluginResolverEndpoint),
-		registryV1.NewResolver(config.PluginResolverEndpoint),
 		github.NewResolver(),
 	)
 	if err != nil {